Make Your Own Tires with TCR-40
Mix this 2-part off-white urethane rubber with black pigment (#82135 sold separately) and pour into a silicone rubber mold to make tires for your scale autos and trucks. Cures in 24 hours with negligible shrinkage to the feel of real rubber tires. 2 lb. kit mixes 1:1 by volume. 30 minute pot life. Hardness of cured material: Shore 40A.
Click here for an overview of casting techniques using Micro-Mark products